Improvonent in uv responsivity of thin film zn3p2 under vacuum surface operation

S. Hava; N. S. Kdpeika

doi:10.1117/12.936543

Improvonent in uv responsivity of thin film zn₃p₂ under vacuum surface operation

S. Hava, N. S. Kdpeika

Department of Electrical & Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Measurement of photoconductivity spectral response over the wavelength range of 220 to 950 nm, linearity with intensity over the optical power range of 10 nW to 4 pW, I-V characteristics, response time, and C-V curves were made on Zn₃P₂ thin-fiim samples. The results include slow response time (on the order of a few seconds), maximum photoconductivity response at 400 nm wavelength, and non-linear I-V characteristics. Changes in device characteristics, due to vacuum operation and heat treatment, indicate that surface effects and intergrain boundaries can play important roles in determining the properties of thin film Zn₃P₂, primarily as regards the surface conductivity and a depletion layer which penetrates into the bulk material.

Original language	English
Pages (from-to)	58-61
Number of pages	4
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	687
DOIs	https://doi.org/10.1117/12.936543
State	Published - 10 Dec 1986

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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abstract = "Measurement of photoconductivity spectral response over the wavelength range of 220 to 950 nm, linearity with intensity over the optical power range of 10 nW to 4 pW, I-V characteristics, response time, and C-V curves were made on Zn3P2 thin-fiim samples. The results include slow response time (on the order of a few seconds), maximum photoconductivity response at 400 nm wavelength, and non-linear I-V characteristics. Changes in device characteristics, due to vacuum operation and heat treatment, indicate that surface effects and intergrain boundaries can play important roles in determining the properties of thin film Zn3P2, primarily as regards the surface conductivity and a depletion layer which penetrates into the bulk material.",

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AU - Hava, S.

AU - Kdpeika, N. S.

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N2 - Measurement of photoconductivity spectral response over the wavelength range of 220 to 950 nm, linearity with intensity over the optical power range of 10 nW to 4 pW, I-V characteristics, response time, and C-V curves were made on Zn3P2 thin-fiim samples. The results include slow response time (on the order of a few seconds), maximum photoconductivity response at 400 nm wavelength, and non-linear I-V characteristics. Changes in device characteristics, due to vacuum operation and heat treatment, indicate that surface effects and intergrain boundaries can play important roles in determining the properties of thin film Zn3P2, primarily as regards the surface conductivity and a depletion layer which penetrates into the bulk material.

AB - Measurement of photoconductivity spectral response over the wavelength range of 220 to 950 nm, linearity with intensity over the optical power range of 10 nW to 4 pW, I-V characteristics, response time, and C-V curves were made on Zn3P2 thin-fiim samples. The results include slow response time (on the order of a few seconds), maximum photoconductivity response at 400 nm wavelength, and non-linear I-V characteristics. Changes in device characteristics, due to vacuum operation and heat treatment, indicate that surface effects and intergrain boundaries can play important roles in determining the properties of thin film Zn3P2, primarily as regards the surface conductivity and a depletion layer which penetrates into the bulk material.

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Improvonent in uv responsivity of thin film zn₃p₂ under vacuum surface operation

Abstract

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